SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d4f99804098461b2a038966b05868387','0','3.19.211.134','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714276662','thread.php?goto=lastpost&threadid=1670&sid=e31aeedd8e152e67b5beb477bd0a783f','0','0','')
mysql error: Duplicate entry 'd4f99804098461b2a038966b05868387' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 28.04.2024 @ 05:57
Script: /thread.php?goto=lastpost&threadid=1670&sid=e31aeedd8e152e67b5beb477bd0a783f
Referer: